Fraxinus excelsior

Tree 15–40 m high, deciduous, with dull black winter buds. Leaves 25–42 cm long; leaflets 7–15, narrowly linear-lanceolate to broadly ovate or elliptical, 3–11 cm long, 1.5–4.5 cm wide, apex rounded-apiculate to acute or acuminate, base cuneate or rounded, serrate, rarely biserrate, glabrous except for lower part of midrib beneath. Panicles axillary, many-flowered, appearing before leaves; sepals and corolla absent. Samara elliptic, (20–)25–40(–50) mm long, winged in upper half to two thirds. Flowers spring.